When I was young I thought a clown was in the toilet so i was continued to look between my legs for it so I'd catch it before it bit my butt.
A childhood belief about fear of

others believed things like this
- I used to believe that crocodiles lived in the toilet and would bite my butt when I had to go to the loo.— Oz
- i used to think that when i was pooping a crocodile could come out of the toilet and bite my butt off.— derek
- I used to be afraid that "boney Legs", a witch from a story Lived in the toilet. Anon
- when i was little i always asked my mom if my aunt had ant legs or people legs.— kelly
- I used to think that a clown lived under my bed and tried to eat me while i was asleepAnon
- I used to think a female daddy-long-legs was called a "mummy-long-legs".Anon